Multiplexed pressure sensing with elastomer membranes.

Orth, Antony; Schonbrun, Ethan; Crozier, Kenneth B · Lab Chip · 2011

basic_science · Level V

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Abstract

We demonstrate a novel optical pressure measurement platform for microfluidics. The pressure sensors operate as pneumatically-tunable microlenses whose focal lengths vary with pressure. We show that pneumatic lens arrays can be used to perform sensitive multiplexed pressure measurements in microfluidic channels.